Fig. 2From: Estimating the purebred-crossbred genetic correlation of body weight in broiler chickens with pedigree or genomic relationshipsEstimates of \(r_{pc}\) (left) and additive genetic covariance (right) from four models. Traits are body weight measured around 7 (BW7) and 35 days (BW35). Error bars represent standard errors reported by the MTG2 softwareBack to article page